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All results from a given calculation for HCCNH2 (Ethynamine)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-132.745005
Energy at 298.15K-132.747146
HF Energy-132.745005
Nuclear repulsion energy59.604998
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYPultrafine/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3534 3419 12.42      
2 A' 3481 3368 98.23      
3 A' 2239 2166 134.88      
4 A' 1641 1587 26.24      
5 A' 1084 1049 18.17      
6 A' 588 568 166.86      
7 A' 494 478 127.49      
8 A' 430 416 8.19      
9 A" 3617 3499 40.01      
10 A" 1196 1157 0.21      
11 A" 702 680 39.18      
12 A" 366 354 9.75      

Unscaled Zero Point Vibrational Energy (zpe) 9685.7 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 9370.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/aug-cc-pVTZ
ABC
10.40772 0.31352 0.30665

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.015 1.363 0.000
C2 0.000 0.162 0.000
N3 0.088 -1.184 0.000
H4 -0.037 2.422 0.000
H5 -0.244 -1.640 0.837
H6 -0.244 -1.640 -0.837

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.20112.54881.05963.12523.1252
C21.20111.34862.26072.00122.0012
N32.54881.34863.60831.00921.0092
H41.05962.26073.60834.15214.1521
H53.12522.00121.00924.15211.6744
H63.12522.00121.00924.15211.6744

picture of Ethynamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.980 C2 C1 H4 179.510
C2 N3 H5 115.400 C2 N3 H6 115.400
H5 N3 H6 112.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.428      
2 C 1.055      
3 N -0.372      
4 H 0.470      
5 H 0.138      
6 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.961 -1.489 0.000 1.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.747 1.801 0.000
y 1.801 -12.724 0.000
z 0.000 0.000 -17.357
Traceless
 xyz
x -5.707 1.801 0.000
y 1.801 6.328 0.000
z 0.000 0.000 -0.621
Polar
3z2-r2-1.242
x2-y2-8.023
xy1.801
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.955 -0.029 0.000
y -0.029 7.516 0.000
z 0.000 0.000 3.920


<r2> (average value of r2) Å2
<r2> 44.515
(<r2>)1/2 6.672